<?php
/**
 * Created by PhpStorm.
 * User: hp
 * Date: 2016/9/21
 * Time: 23:40
 */header ('Content-type:text/html;charset=utf-8');
const DISCOUNT = 0.8;
 $fruit1 = '香蕉';
 $fruit2 = '苹果';
 $fruit3 = '橘子';
 $fruit1_num = 2;
 $fruit2_num = 1;
 $fruit3_num = 3;
 $fruit1_price = 7.99;
 $fruit2_price = 6.89;
 $fruit3_price = 3.99;
 $fruit1_total = $fruit1_num * $fruit1_price;
 $fruit2_total = $fruit2_num * $fruit2_price;
 $fruit3_total = $fruit3_num * $fruit3_price;
 $total = ($fruit1_total + $fruit2_total + $fruit3_total)*DISCOUNT;
 $str = "<table>";
 $str .="<tr><td>商品名称</td><td>购买数量（斤）</td><td>商品价格（元/斤）</td></tr>";
 $str .="<tr><td>$fruit1</td> <td>$fruit1_num</td> <td>$fruit1_price</td></tr>";
 $str .="<tr><td>$fruit2</td> <td>$fruit2_num</td> <td>$fruit2_price</td></tr>";
 $str .="<tr><td>$fruit3</td> <td>$fruit3_num</td> <td>$fruit3_price</td></tr>";
 $str .="<tr><td colspan='3'>商品折扣：<span>". DISCOUNT."</span></td></tr>";
 $str .="<tr><td colspan='3'>打折后购买商品总价格：{$total}元</td></tr>";
 $str .="</table>";
 echo $str;